Why does artificial coloring need to be added to farm raised fish?



  1. 0 Votes

    Coloring, which is often added to farm-raised salmon through diet, is meant to give consumers the illusion that the salmon they are buying is wild-caught.

    Wild salmon are carnivorous and ingest krill and other shellfish whose color turns salmon flesh dark pink.  Farm-raised salmon are, in contrast, often fed processed fish meal, fish oil, vegetable proteins, animal by-products and even genetically modified soy.  Chemical additives, canthaxanthin and astaxanthin, must be included in this mixture of fish feed in order to produce the familiar salmon flesh color. 


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